English: Stamp of Deutsche Post in China, 20 Pfennig first issue (March 1898), ultramarine, overprint at 45°. Unused Michel N°4I. . 16 March 2014, 17:36:49. Jacquesverlaeken 1 1898 China 20Pfg Mi4I Stock Photo - Alamy
1949 Freimarken: Rotaufdruck Berlin 20 Pfennig - - Briefmarken-Versand-Welt.de
Deutsche Post 10 pfennig brown pair, MNH, F-VF, creased | eBay